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【单选题】
列表和有点像呀,弄得我“脸盲症”都犯了。下列关于列表和说法正确的是:
A.
列表和定义符号不同外,无任何区别
B.
列表和都可以使用append()方法添加元素
C.
列表和都不能作为字典的键
D.
列表属于可变序列,属于不可变序列
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【单选题】2051修约为2位有效数字,应写成
A.
0.205
B.
0.2
C.
0.20
D.
0.21
【简答题】从下面提供的答案中选出应填入下列英文语句中______内的正确答案。 When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user (1) . In practice, the two media ar...
【简答题】设f(x)为连续函数, ,则I的值(    ). (A) 依赖于x,y,z    (B) 只依赖于y,z    (C) 只依赖于y    (D) 只依赖于z
【判断题】Quiz on Chapter 9 9.1. Grammar and punctuation are less important in e-mail.
A.
正确
B.
错误
【单选题】社区卫生工作的重点是
A.
提供社区护理
B.
促进社区人群健康
C.
方便社区群众治疗
D.
给予社区人群照顾
【单选题】制备单克隆抗体最常用的动物是
A.
B.
C.
D.
【判断题】设 f ( x , y ) 为连续函数,则二次积分 可交换积分次序为 。( )
A.
正确
B.
错误
【单选题】制备单克隆抗体最常用的动物是(2018 真题上115)
A.
B.
C.
D.
小鼠
E.
豚鼠
【多选题】When talking about the Beat Generation, people refer to the group of writers in 1950s who
A.
rejected materialism in modern America.
B.
tried drugs and alternative forms of sexuality, such as homosexuality.
C.
shared ideas and values that did not coincide with mainstream social values.
D.
stayed abroad and protested against the US government.
【单选题】When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user(115). In practice, the two media are normally audio and video, this is...
A.
display
B.
games
C.
help
D.
interaction
E.
pictures
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